530203405 has 4 divisors (see below), whose sum is σ = 636244092. Its totient is φ = 424162720.

The previous prime is 530203397. The next prime is 530203411. The reversal of 530203405 is 504302035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212401476 + 317801929 = 14574^2 + 17827^2 .

It is not a de Polignac number, because 530203405 - 2³ = 530203397 is a prime.

It is a super-2 number, since 2×530203405² = 562231301347188050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53020336 + ... + 53020345.

It is an arithmetic number, because the mean of its divisors is an integer number (159061023).

Almost surely, 2^530203405 is an apocalyptic number.

It is an amenable number.

530203405 is a deficient number, since it is larger than the sum of its proper divisors (106040687).

530203405 is a wasteful number, since it uses less digits than its factorization.

530203405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106040686.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 530203405 is about 23026.1461169689. The cubic root of 530203405 is about 809.3707478894.

The spelling of 530203405 in words is "five hundred thirty million, two hundred three thousand, four hundred five".